Mechanical Operations The main differentiation factor between tube mill and ball mill is the Final product size Operating speed Size of the grinding media Length to diameter ratio Final product size Operating speed Size of the grinding media Length to diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fibrous material is broken by a Ball mill Squirrel-cage disintegrator Tube mill Rollcrusher Ball mill Squirrel-cage disintegrator Tube mill Rollcrusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Cutting Compression Attrition Impact Cutting Compression Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Hard rubber Gums Waxes Resins Hard rubber Gums Waxes Resins ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re-1.0 Po ∝ Re1.0 Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re-1.0 Po ∝ Re1.0 Po ∝ Re0.5 Po ∝ Re0.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Helical screw Propeller Curved blade turbine Flat blade turbine Helical screw Propeller Curved blade turbine Flat blade turbine ANSWER DOWNLOAD EXAMIANS APP
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